<template>
    <div>
           <p>这是一个父组件</p>
            <p>{{ msg }}</p>
    <Children :info="msg" @changeParent="changeMsg"/>
    </div>
 
</template>

<script>
import Children from './Children.vue'
export default{
    name:"Parent",
    data(){
        return{
            msg:"这是父组件的信息"
        }
    },
    components:{
        Children
    },
    methods:{
        changeMsg(value){
            this.msg=value
        }
    }
}

</script>